25767320

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{211}}^1$

素因数の和:336

約数の個数: 64

約数和(自身を含む): 60445440

約数和(自身を除く): 34678120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 71, 86, 142, 172, 211, 215, 284, 344, 355, 422, 430, 568, 710, 844, 860, 1055, 1420, 1688, 1720, 2110, 2840, 3053, 4220, 6106, 8440, 9073, 12212, 14981, 15265, 18146, 24424, 29962, 30530, 36292, 45365, 59924, 61060, 72584, 74905, 90730, 119848, 122120, 149810, 181460, 299620, 362920, 599240, 644183, 1288366, 2576732, 3220915, 5153464, 6441830, 12883660, 25767320]

約数ペア:

[(1, 25767320), (2, 12883660), (4, 6441830), (5, 5153464), (8, 3220915), (10, 2576732), (20, 1288366), (40, 644183), (43, 599240), (71, 362920), (86, 299620), (142, 181460), (172, 149810), (211, 122120), (215, 119848), (284, 90730), (344, 74905), (355, 72584), (422, 61060), (430, 59924), (568, 45365), (710, 36292), (844, 30530), (860, 29962), (1055, 24424), (1420, 18146), (1688, 15265), (1720, 14981), (2110, 12212), (2840, 9073), (3053, 8440), (4220, 6106)]